Newegg offers the Corsair 8GB DDR3 1333 Apple Memory (CMSA8GX3M1A1333C9) for $37.99 after $5 coupon code EMCNCJG73 applied during checkout and $10 mail-in rebate. Shipping is free. This is the lowest price we could find currently by $10. This is compatible with Apple MacBook, MacBook Pro and iMac.